A Long-Term Biodiversity, Ecosystem and Awareness Research
... to test methods to engage members of the general public in a debate on biodiversity-related topics which are suitable for scientific research. The events were designed to meet these requirements and to provide a basis for future research on public attitudes to biodiversity-related issues. They can b ...
... to test methods to engage members of the general public in a debate on biodiversity-related topics which are suitable for scientific research. The events were designed to meet these requirements and to provide a basis for future research on public attitudes to biodiversity-related issues. They can b ...
aquatic and terrestrial habitat selection by - ETH E
... strongly dependent on resources. To graphically explore the interactive effects of habitat type, prey density, and temperature we predicted habitat selection using the best selected model. We found that home-range placement did not depend on resource availability, which was puzzling as the terrestri ...
... strongly dependent on resources. To graphically explore the interactive effects of habitat type, prey density, and temperature we predicted habitat selection using the best selected model. We found that home-range placement did not depend on resource availability, which was puzzling as the terrestri ...
the reciprocal interaction of angiosperm evolution and tetrapod
... Before discussing historical patterns in detail, we note two general aspects of the data set. First, the fossil data are widely spaced stratigraphically, with the result that only long-term trends can be detected. Second, most of the information on the fossil record comes from the Northern Hemispher ...
... Before discussing historical patterns in detail, we note two general aspects of the data set. First, the fossil data are widely spaced stratigraphically, with the result that only long-term trends can be detected. Second, most of the information on the fossil record comes from the Northern Hemispher ...
Lichen Conservation - tn
... a high value for lichens and bryophytes, the reverse is not always true. Grasslands/Rocky areas with no conservation value when it comes to flowering plants may still be rich in lichens. Ignorance of the environmental importance of lichens means that such areas may be overlooked during conservation ...
... a high value for lichens and bryophytes, the reverse is not always true. Grasslands/Rocky areas with no conservation value when it comes to flowering plants may still be rich in lichens. Ignorance of the environmental importance of lichens means that such areas may be overlooked during conservation ...
Thesis in pdf
... and frequency) was kept equal for both regimes. At the site where the IDH was supported, the regime with a large proportion of the area disturbed infrequently showed higher richness, due to a stronger decrease of dominants, compared to the regime with a small proportion disturbed frequently. In addi ...
... and frequency) was kept equal for both regimes. At the site where the IDH was supported, the regime with a large proportion of the area disturbed infrequently showed higher richness, due to a stronger decrease of dominants, compared to the regime with a small proportion disturbed frequently. In addi ...
How trophic interaction strength depends on traits
... of directly measurable, phenotypic, hereditary traits that characterize the physiology, anatomy, and behavior of the individuals of a species? Below, we refer to these later traits as phenotypic traits. Which objective criterion should be used to choose trophic traits (among phenotypic traits, or th ...
... of directly measurable, phenotypic, hereditary traits that characterize the physiology, anatomy, and behavior of the individuals of a species? Below, we refer to these later traits as phenotypic traits. Which objective criterion should be used to choose trophic traits (among phenotypic traits, or th ...
Biotic resistance experienced by an invasive crustacean
... diversity. It has been proposed that the biotic resistance offered by native predators, competitors and disease organisms plays a role. In Yaquina Bay, Oregon, we observed very little overlap in the distribution of the invasive European green crab, Carcinus maenas, and the larger red rock crab, Canc ...
... diversity. It has been proposed that the biotic resistance offered by native predators, competitors and disease organisms plays a role. In Yaquina Bay, Oregon, we observed very little overlap in the distribution of the invasive European green crab, Carcinus maenas, and the larger red rock crab, Canc ...
Ecological Functions of Nearshore Hardbottom Habitats in East
... web. Before a dredging event, the nearshore community can be fairly diverse, consisting of a number of opportunistic (common) and longer-lived (often uncommon) species. The diversity contributes to a nearshore food web that consists of suspension feeders, herbivores, omnivores, and various levels of ...
... web. Before a dredging event, the nearshore community can be fairly diverse, consisting of a number of opportunistic (common) and longer-lived (often uncommon) species. The diversity contributes to a nearshore food web that consists of suspension feeders, herbivores, omnivores, and various levels of ...
Shell Hardness and Compressive Strength of the Eastern Oyster
... Hardness values were not significantly different between age classes of C. virginica (P ⫽ 0.368). As there was no significant difference in hardness between outer and inner foliated layers (P ⫽ 0.274, see the following Results section on interspecific comparisons), the intraspecific analysis was per ...
... Hardness values were not significantly different between age classes of C. virginica (P ⫽ 0.368). As there was no significant difference in hardness between outer and inner foliated layers (P ⫽ 0.274, see the following Results section on interspecific comparisons), the intraspecific analysis was per ...
The Impact of Non-Native Species - Case Study: The Signal Crayfish
... our native fisheries by influencing the ecosystems they invade. For example, invading primary consumers, such as molluscs, disrupt food-webs from the base, and aquatic plants affect the water quality and quantity of primary production, leading to changes in dissolved oxygen levels and thus impacting ...
... our native fisheries by influencing the ecosystems they invade. For example, invading primary consumers, such as molluscs, disrupt food-webs from the base, and aquatic plants affect the water quality and quantity of primary production, leading to changes in dissolved oxygen levels and thus impacting ...
Passerine Relationships with Habitat Heterogeneity and Grazing at Multiple Scales
... Limited information exists on the relationships among grazing, scale, and patterns of heterogeneity in grassland communities and few studies have explored how grazing and habitat heterogeneity together influence grassland bird communities. I used mixed models to analyze the influence of cattle grazi ...
... Limited information exists on the relationships among grazing, scale, and patterns of heterogeneity in grassland communities and few studies have explored how grazing and habitat heterogeneity together influence grassland bird communities. I used mixed models to analyze the influence of cattle grazi ...
impacts of climate change on biodiversity
... Australia and for managers of key natural assets such as protected areas. It is not only adding directly to more familiar risks such as habitat loss and degradation, invasive species and changes to fire regimes, but to the consequences of these threats themselves being affected by climate change. Th ...
... Australia and for managers of key natural assets such as protected areas. It is not only adding directly to more familiar risks such as habitat loss and degradation, invasive species and changes to fire regimes, but to the consequences of these threats themselves being affected by climate change. Th ...
Theme 1. Protection of Natural Resources
... increasing resource consumption rates. The global decline of biodiversity is now recognized as one of the most serious environmental issues facing humanity. Recognition of the worldwide impact of the decline of biodiversity inspired the global community to negotiate the United Nations Convention on ...
... increasing resource consumption rates. The global decline of biodiversity is now recognized as one of the most serious environmental issues facing humanity. Recognition of the worldwide impact of the decline of biodiversity inspired the global community to negotiate the United Nations Convention on ...
Predator diversity and identity drive interaction strength and trophic
... predator diversity and composition on the herbivorous beetle Chrysomela aeneicollis and the willow Salix orestera, which compose the first and second trophic levels of the food web. Decreasing predator diversity increased herbivore biomass and survivorship, and consequently increased the amount of pl ...
... predator diversity and composition on the herbivorous beetle Chrysomela aeneicollis and the willow Salix orestera, which compose the first and second trophic levels of the food web. Decreasing predator diversity increased herbivore biomass and survivorship, and consequently increased the amount of pl ...
predator diversity and identity drive interaction strength and trophic
... predator diversity and composition on the herbivorous beetle Chrysomela aeneicollis and the willow Salix orestera, which compose the first and second trophic levels of the food web. Decreasing predator diversity increased herbivore biomass and survivorship, and consequently increased the amount of pl ...
... predator diversity and composition on the herbivorous beetle Chrysomela aeneicollis and the willow Salix orestera, which compose the first and second trophic levels of the food web. Decreasing predator diversity increased herbivore biomass and survivorship, and consequently increased the amount of pl ...
Risk Assessment
... consequences of establishment) and are assigned ratings of high (risk is likely, or very likely, to occur), medium (there is a probability of negative impact), or low (risk is considered to be insignificant). In addition, a level of certainty is also assigned as a gradient from very certain (scienti ...
... consequences of establishment) and are assigned ratings of high (risk is likely, or very likely, to occur), medium (there is a probability of negative impact), or low (risk is considered to be insignificant). In addition, a level of certainty is also assigned as a gradient from very certain (scienti ...
Questions for Chapter 55 – Dynamics of Ecosystems
... Answer—As Figure 57.17 suggests, trophic structure and dynamics are interrelated and are primary determinants of ecosystem characteristics and behavior. For example, if a particularly abundant herbivore is threatened, energy that is abundant at the level of primary productivity in an ecosystem may ...
... Answer—As Figure 57.17 suggests, trophic structure and dynamics are interrelated and are primary determinants of ecosystem characteristics and behavior. For example, if a particularly abundant herbivore is threatened, energy that is abundant at the level of primary productivity in an ecosystem may ...
effects of interspecific competition and multiple predators
... competition. Interference competition means direct, often physical interactions, such as fighting over territories. Species can also compete with each other indirectly via exploitation, i.e. using resources so they become no longer available to others (e.g. Schoener 1983). In extreme cases, interspe ...
... competition. Interference competition means direct, often physical interactions, such as fighting over territories. Species can also compete with each other indirectly via exploitation, i.e. using resources so they become no longer available to others (e.g. Schoener 1983). In extreme cases, interspe ...
SoE 2016 Biodiversity report (PDF - 10.3 MB)
... Australia state of the environment 2016: biodiversity is licensed by the Commonwealth of Australia for use under a Creative Commons Attribution 4.0 International licence with the exception of the Coat of Arms of the Commonwealth of Australia, the logo of the agency responsible for publishing the rep ...
... Australia state of the environment 2016: biodiversity is licensed by the Commonwealth of Australia for use under a Creative Commons Attribution 4.0 International licence with the exception of the Coat of Arms of the Commonwealth of Australia, the logo of the agency responsible for publishing the rep ...
111 - CREAF
... total inorganic C in deep seawater (Broecker and Peng 1982), whereas biologists use a ratio of 106:16:1 based on Fleming’s analysis of the average elemental composition of marine organisms (Goldman et al. 1979). Different organisms can strongly differ in their C:N:P ratio, thus the Redfield N:P rati ...
... total inorganic C in deep seawater (Broecker and Peng 1982), whereas biologists use a ratio of 106:16:1 based on Fleming’s analysis of the average elemental composition of marine organisms (Goldman et al. 1979). Different organisms can strongly differ in their C:N:P ratio, thus the Redfield N:P rati ...